DS21455 Maxim Integrated Products, DS21455 Datasheet - Page 154

• Manufacturer Part Number: DS21455
• Description: Network Controller & Processor ICs Quad E1-T1-J1 Single -Chip Transceiver (S
• Manufacturer: Maxim Integrated Products

Specifications of DS21455

• Product: Framer
• Number Of Transceivers: 4
• Data Rate: 64 Kbps
• Supply Voltage (max): 3.465 V
• Supply Voltage (min): 3.135 V
• Supply Current (max): 328 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Package / Case: BGA

24.3.5 HDLC FIFOS
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bit 0/Transmit HDLC Data Bit 0 (THD0). LSB of a HDLC packet data byte.
Bit 1/Transmit HDLC Data Bit 1 (THD1).
Bit 2/Transmit HDLC Data Bit 2 (THD2).
Bit 3/Transmit HDLC Data Bit 3 (THD3).
Bit 4/Transmit HDLC Data Bit 4 (THD4).
Bit 5/Transmit HDLC Data Bit 5 (THD5).
Bit 6/Transmit HDLC Data Bit 6 (THD6).
Bit 7/Transmit HDLC Data Bit 7 (THD7). MSB of a HDLC packet data byte.
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bit 0/Receive HDLC Data Bit 0 (RHD0). LSB of a HDLC packet data byte.
Bit 1/Receive HDLC Data Bit 1 (RHD1).
Bit 2/Receive HDLC Data Bit 2 (RHD2).
Bit 3/Receive HDLC Data Bit 3 (RHD3).
Bit 4/Receive HDLC Data Bit 4 (RHD4).
Bit 5/Receive HDLC Data Bit 5 (RHD5).
Bit 6/Receive HDLC Data Bit 6 (RHD6).
Bit 7/Receive HDLC Data Bit 7 (RHD7). MSB of a HDLC packet data byte.
THD7
RHD7
7
0
7
0
THD6
RHD6
H1TF, H2TF
HDLC # 1 Transmit FIFO, HDLC # 2 Transmit FIFO
9Dh, Adh
H1RF, H2RF
HDLC # 1 Receive FIFO, HDLC # 2 Receive FIFO
9Eh, Aeh
6
6
0
0
RHD5
THD5
5
0
5
0
RHD4
THD4
4
0
4
0
154 of 270
RHD3
THD3
3
0
3
0
THD2
RHD2
2
0
2
0
RHD1
THD1
1
0
1
0
THD0
RHD0
0
0
0
0